Faraday’s Law NEET Questions

Physics - Electromagnetic Induction and Alternating Currents

Faraday’s Law MCQ Questions


1.
Faraday's law of electromagnetic induction states that the induced emf in a circuit is equal to:
A.
The rate of change of electric flux through the circuit
B.
The product of magnetic flux and time
C.
The magnetic flux through the circuit
D.
The negative rate of change of magnetic flux through the circuit
😑 View Answer Rough Work Error
ANSWER :
D. The negative rate of change of magnetic flux through the circuit
2.
The SI unit of magnetic flux is:
A.
Tesla
B.
Henry
C.
Weber
D.
Gauss
😑 View Answer Rough Work Error
ANSWER :
C. Weber
3.
The dimensional formula of magnetic flux is:
A.
[M L² T⁻² A⁻¹]
B.
[M L T⁻² A⁻¹]
C.
[M L² T⁻³ A⁻¹]
D.
[M L² T⁻¹ A⁻²]
😑 View Answer Rough Work Error
ANSWER :
A. [M L² T⁻² A⁻¹]
4.
In Faraday's experiment, the induced current in the coil is maximum when the magnet is:
A.
Kept stationary near the coil
B.
Moved very rapidly towards or away from the coil
C.
Moved very slowly towards the coil
D.
Rotated about its own axis without translation
😑 View Answer Rough Work Error
ANSWER :
B. Moved very rapidly towards or away from the coil
5.
Magnetic flux through a surface is a:
A.
Tensor quantity
B.
Vector quantity with direction along B
C.
Scalar quantity
D.
Vector quantity with direction along area vector
😑 View Answer Rough Work Error
ANSWER :
C. Scalar quantity
6.
A coil of 100 turns has magnetic flux changing from 0.02 Wb to 0.05 Wb in 0.1 s. The induced emf is:
A.
3 V
B.
0.3 V
C.
300 V
D.
30 V
😑 View Answer Rough Work Error
ANSWER :
D. 30 V